import FWCore.ParameterSet.Config as cms generator = cms.EDProducer("FlatRandomEGunProducer", PGunParameters = cms.PSet( PartID = cms.vint32(22), MinPhi = cms.double(-3.14159265359), ## in radians MaxPhi = cms.double(3.14159265359), MinEta = cms.double(-5.0), MaxEta = cms.double(5.0), MinE = cms.double(0.0001), MaxE = cms.double(100) ), Verbosity = cms.untracked.int32(0), ## set to 1 (or greater) for printouts psethack = cms.string('single gamma E 0-100'), AddAntiParticle = cms.bool(False), firstRun = cms.untracked.uint32(1) )